Knife blade



FIG. 1 illustrates a first side view of a knife blade according to the invention; and,

FIG. 2 illustrates a second side view of the knife blade according to FIG. 1.

The broken line illustration of a portion of a knife handle is an environmental structure and is not part of the design sought to be claimed. 

CLAIM The ornamental design for a knife blade, as shown and described. 